Amazon.com: NITECORE UMS2 Intelligent USB Dual-Slot Quick Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries, with LumenTac Battery Organizer : Electronics
NITECORE Intellicharger new-12 User Manual - Manuals+
Review: NiteCore “New i4” IntelliCharger | by Ian F. Darwin | I Tried That | Medium